A pollster plans to survey a random sample of voters in a certain city to ask whether
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A pollster plans to survey a random sample of voters in a certain city to ask whether they support an increase in property taxes to fund the construction of a new elementary school. How many voters should be sampled to be sure that a 95% confidence interval for the proportion who favor the proposal specifies that proportion to within ± 0.04?
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Let n be the required sample size ...View the full answer
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